87300880

素因数分解:

$2^4\times 5^1\times {\mathrm{1091261}}^1$

素因数の和:1091274

約数の個数: 20

約数和(自身を含む): 202974732

約数和(自身を除く): 115673852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1091261, 2182522, 4365044, 5456305, 8730088, 10912610, 17460176, 21825220, 43650440, 87300880]

約数ペア:

[(1, 87300880), (2, 43650440), (4, 21825220), (5, 17460176), (8, 10912610), (10, 8730088), (16, 5456305), (20, 4365044), (40, 2182522), (80, 1091261)]